Cheapest Petrol Prices in Welwyn
Last updated: · 20 stations tracked
Cheapest Petrol (E10)
146.9p
per litre · avg 154.37p
Cheapest Diesel (B7)
156.9p
per litre · avg 165.39p
Compare live petrol and diesel prices across 20 fuel stations in Welwyn. Prices are sourced from the UK Government's official fuel price database and updated every hour. The cheapest petrol in Welwyn today is 146.9p per litre, available at COSTCO WHOLESALE STEVENAGE.
Supermarket forecourts — including Tesco, Asda, and Sainsbury's — typically offer the lowest prices in Welwyn. Motorway services and branded stations (BP, Shell, Esso) often charge a premium. Use the table below to find the best deal near you.
Fuel Station Prices in Welwyn
| Station | Unleaded (E10) | Diesel (B7) | Super Unleaded | Premium Diesel |
|---|---|---|---|---|
| NODEWAY SF CONNECT | 157.9p | 168.9p | 178.9p | 189.9p |
| MFG EASTBRIDGE | 156.9p | 166.9p | 169.9p | 185.9p |
| SHELL LITTLE WAITROSE WELWYN GARDEN | 159.9p | 169.9p | 184.9p | 194.9p |
| MFG MORRISONS WELWYN GARDEN CITY | 154.9p | 164.9p | 165.9p | — |
| STEVENAGE BROADWATER SUPERSTORE - PETROL FILLING STATION | 150.9p | 164.9p | 160.9p | — |
| HATFIELD EXTRA - PETROL FILLING STATION | 155.9p | 167.9p | 165.9p | — |
| TESCO HATFIELD EXTRA - PETROL STATION | 151.9p | — | 151.9p | — |
| ASDA STEVENAGE EXPRESS PETROL | 155.9p | 166.9p | 174.9p | 185.9p |
| ASDA BROADWATER EXPRESS PETROL | 153.9p | 165.9p | 172.9p | 184.9p |
| ASDA STEVENAGE SUPERCENTRE | 149.7p | 161.7p | — | — |
| ASDA HATFIELD SUPERSTORE | 154.7p | 164.7p | — | — |
| SAINSBURYS STEVENAGE | 151.9p | 161.9p | 163.9p | — |
| STEVENAGE EXTRA - PETROL FILLING STATION | 149.9p | 160.9p | 159.9p | — |
| COSTCO WHOLESALE STEVENAGE | 146.9p | 156.9p | 156.9p | — |
| ASDA LYTTON WAY EXPRESS PETROL | 153.9p | 165.9p | 172.9p | 184.9p |
| MFG STEVENAGE | 152.9p | 161.9p | 169.9p | 185.9p |
| HARPENDEN ESSO EXPRESS | 156.9p | 166.9p | 171.9p | 180.9p |
| 8520231 | 155.7p | 165.7p | 165.7p | — |
| SHELL SMALLFORD | 159.9p | 169.9p | 179.9p | 189.9p |
| MFG HERTFORD | 156.9p | 169.9p | 169.9p | 185.9p |
Frequently Asked Questions
What is the cheapest petrol price in Welwyn?
The cheapest petrol in Welwyn is currently 146.9p per litre as of 22 July 2026. The average across all stations is 154.37p.
Which supermarket has the cheapest fuel in Welwyn?
Tesco, Asda, and Sainsbury's supermarket forecourts typically offer the lowest fuel prices in Welwyn. Check the price table above to compare all stations including branded and independent retailers.
How often are fuel prices updated for Welwyn?
Prices are updated hourly from the UK Government's mandatory fuel price reporting scheme, which requires all fuel retailers with 6 or more sites to submit prices every 30 minutes.